.video-box{
    width: 100%;
    position: relative;
    video{
        width: 100%;
    }
    span{
        position: absolute;
        left: 20px;
        top:10px;
        font-family: simsun;
        font-weight: 700;
        font-size: 20px;
        color: white;
        }
}
.biref{
    padding: 25px 15px 20px 15px;
    h3{
        font-size: 22px;
    }
    p.main{
        position: relative;
        line-height: 40px;
        border-bottom: 1px solid #D7D7D7;
        span{
            font-size: 18px;
            margin-right: 20px;
            a{
                color: #A3A3A3;
                font-size: 12px;
            }
        }
        a.right{
            position: absolute;
            color: #A3A3A3;
            right: 0;
            top: 50%;
            transform:translateY(-50%)
        }
    }
    .user{
        margin-top: 20px;
        display: flex;
        width: 100%;
        align-items: center;
        justify-content: space-between;
        img{
            width: 25%;
            border-radius: 50%;
        }
        >div{
            margin-right: 40px;
            p{
                font-size: 16px;
                font-weight: 600;
                margin-bottom: 10px;
            }
            span{
                font-size: 12px;
                color: #A3A3A3;
            }  
        }
        a{
            width: 25%;
            line-height: 30px;
            color: white;
            text-align: center;
            background-color: #4294FF;
            border-radius: 15px;
        }
    }
    p.txt{
        margin-top: 18px;
        font-size: 15px;
        color: #A3A3A3;
        line-height: 20px;
        span{
           color: black; 
        }
    }
    .test-box{
        margin-top: 25px;
        display: flex;
        .test-left{
            width: 50%;
            border-right: 1px dotted #A3A3A3;
            p{
                font-size: 14px;
                line-height: 35px;
                span{
                    font-size: 20px;
                }
            }
            >span{
                font-size: 12px;
                color: #A3A3A3;
            }
        }
        .test-right{
            padding-left: 25px;
            width: 50%;
            p{
                font-size: 14px;
                line-height: 35px;
                span{
                    font-size: 20px;
                }
            }
            >span{
                font-size: 12px;
                color: #A3A3A3;
            }
        }
    }
    .button{
        margin-top: 25px;
        width: 100%;
        line-height: 50px;
        background-color: #4294FF;
        color: white;
        text-align: center;
        border-radius: 25px;
        font-size: 16px;
    }
}
